how about this from connecticut senator joe lieberman? he says he believes family and friends need to get involved in these situations early on. >> we've got to ask parents, friends, school ficialts, if you see a child, a young person, that really looks like they're potentially, really troublesome, get them mental health help. then we've got to ask ourselves as a society, is there enough mental health help available for these kids? >> boy, that is becoming the big important question in all of of them clearly. i'm joined as former pennsylvania governor tom ridge who served as our country's first homeland security secretary. good to have you here today. >> always good to join you, martha. i'm sorry we joined to have a discussion about the horrific events at the elementary school. martha: it is so gut-wrenching, when you look deeper into this story. and particularly with this issue of mental illness. i want to pull up onto the screen a picture of several of these young men. there's a profile that emerges in the common qualities, all under 25